PlainZIP

Arcadia, MO · standard

ZIP Code 63621

Iron County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,228
7/sq mi
$87,825
Median income
$175,300
Median home value
14.2%
Bachelor's or higher

The verdict

Arcadia pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.

Top 29%
household income, US ZIPs
36th pct
home value, US ZIPs
7
people per sq mi
87%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63621 against every reporting US ZIP.

ZIP code 63621 is a sparsely populated ZIP (a standard USPS delivery area) in Arcadia, Iron County, Missouri, home to just 1,228 residents across 170.6 square miles, a density of 7 people per square mile, in the Chicago time zone.

ZIP 63621 lands in the middle-income range, with a median household income of $87,825 (31% above the Missouri average), while per-capita income is $34,804. Local economic indicators show a 18.3% poverty rate alongside 0.3% unemployment. Median home value sits at $175,300 (8% below the state average), median rent at - a month, and owner-occupancy at 86.5%.

Formal educational attainment runs low here: just 14.2% of adults hold a bachelor's degree or higher, the median age is 48, and the average commute is -. To put 63621 in local context, 3 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Iron County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 63621, Arcadia, MO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,228

Population

170.6

Area (sq mi)

7

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 63621?

48.0

Median Age

43.2%

Male

56.8%

Female

0.4%

Foreign-Born

White 98.2%
African American 0.1%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.7%
Hispanic or Latino 2.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$87,825

Median Household Income

+31% vs state

$34,804

Per Capita Income

18.3%

Poverty Rate

0.3%

Unemployment Rate

How ZIP 63621 ranks nationally

Arcadia, MO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$87,825 Top 29% higher than 71% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 61.6%
Bachelor's Degree or Higher 14.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

659

Total Housing Units

607

Occupied Units

52

Vacant Units

2.69

Avg Household Size

Occupancy Type

Owner 86.5%
Renter 13.5%

$175,300

Median Home Value

-8% vs state

1976

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 24 business establishments in ZIP 63621, employing approximately 130 people with a combined annual payroll of $2,722,000.

24

Businesses

130

Employees

$2.7M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Retail trade 5 20.8%
Other services (except public administration) 3 12.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 63621 vs 63620 →

ZIP 63621 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 63621 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 63621 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 63621 ranks the highest of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
63620 Annapolis, MO 1,619 6.9 mi
63650 Ironton, MO 4,401 9.0 mi
63663 Pilot Knob, MO 723 9.8 mi

More ZIP Codes in Iron County

63650 standard
Ironton, MO
Pop: 4,401
63620 standard
Annapolis, MO
Pop: 1,619
63623 standard
Belleview, MO
Pop: 882
65566 standard
Viburnum, MO
Pop: 772
63663 standard
Pilot Knob, MO
Pop: 723
63636 standard
Des Arc, MO
Pop: 608

Related Areas

Iron County Arcadia, MO Missouri

Frequently Asked Questions

What county is ZIP code 63621 in? ▼
ZIP code 63621 (Arcadia) is located in Iron County, Missouri. Iron County contains multiple ZIP codes, see the full list at /counties/iron-mo.
What is the population of ZIP code 63621? ▼
ZIP code 63621 in Arcadia, MO has a population of 1,228 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63621? ▼
The median household income in ZIP 63621 is $87,825, which is 15% above the national average of $76,288.
What is the average home value in ZIP 63621? ▼
The median home value in ZIP 63621 is $175,300, which is 37% below the national average of $278,155.
What is the demographic makeup of ZIP 63621? ▼
The largest racial group in ZIP 63621 is White at 98.2%. Hispanic or Latino residents make up 2.7% of the population.
How many businesses are in ZIP code 63621? ▼
ZIP code 63621 has 24 business establishments employing approximately 130 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 63621? ▼
In ZIP code 63621, 61.6% of residents aged 25+ have a high school diploma or higher, and 14.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 63621? ▼
In ZIP code 63621, approximately 86.5% of occupied housing units are owner-occupied and 13.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63621? ▼
The poverty rate in ZIP code 63621 is 18.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.